omnium-gatherum vs motley

omnium-gatherum and motley both are nouns.

Word	Noun	Adjective	Verb	Adverb
omnium-gatherum	Yes	No	No	No
motley	Yes	Yes	Yes	No

As nouns, motley is a hypernym of omnium-gatherum; that is, motley is a word with a broader meaning than omnium-gatherum:

Other hypernyms of omnium-gatherum include assortment, miscellanea, miscellany, mixed bag, mixture, potpourri, salmagundi, smorgasbord, variety.

omnium-gatherum (noun)	motley (noun)
a motley assortment of things	a multicolored woolen fabric woven of mixed threads in 14th to 17th century England
	a garment made of motley (especially a court jester's costume)
	a collection containing a variety of sorts of things

omnium-gatherum (adjective)	motley (adjective)
	having sections or patches colored differently and usually brightly
	consisting of a haphazard assortment of different kinds

omnium-gatherum (verb)	motley (verb)
	make motley; color with different colors
	make something more diverse and varied